Next month with the same figures as this one — name, number, day count, quarter and a calendar grid. The December to January rollover is handled, so the year advances correctly rather than showing a thirteenth month.
Planning across a month boundary
Next month's shape matters more than people expect: a 28-day February and a 31-day March make very different sprints, and where the weekends fall changes the number of working days substantially. For counting those, see month-end close.